Which ball changed velocity the most?
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Physics, 22.06.2019 11:10
An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. what other characteristic does the radiation have?
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Physics, 22.06.2019 16:30
An astronaut in space cannot use a scale or balance to weigh objects because there is no gravity. but she does have devices to measure distance and time accurately. she knows her own mass is 77.4 kg , but she is unsure of the mass of a large gas canister in the airless rocket. when this canister is approaching her at 3.50 m/s , she pushes against it, which slows it down to 1.30 m/s (but does not reverse it) and gives her a speed of 2.60 m/s . what is the mass of the canister?
Answers: 1
Physics, 22.06.2019 17:20
Properties seen when one one substance changes to another are known as properties
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Physics, 22.06.2019 17:30
Frequency of electromagnetic waves that a radio station is assigned is called
Answers: 1
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